Head Cataloger, Northwestern University Law School, 1955–60
Supervisor, Defense Information Office (Chicago), 1960–63
Foreign Law Assistant, University of Illinois College of Law at Urbana-Champaign, 1963–65
Foreign Law Librarian, University of Chicago Law School, 1965–67
Foreign Law Librarian and Lecturer in Legal Bibliography, University of Chicago Law School, 1967–92; Emeritus, 1992–2003

Founding Member, International Association of Law Libraries, 1959
International Association of Law Libraries Board, 1974–80, 1983–86, 1992–95
Secretary, International Association of Law Libraries, 1980–83
Associate Editor, International Journal of Legal Information, 1980–84
President, International Association of Law Libraries, 1986–92
Life Member, International Association of Law Libraries